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Protection and safety
Data & signal protection
OVR H Series

OVR H Series - Technical specification
Electrical specification OVR 06H OVR 15H OVR 30H OVR 50H OVR 110H
ABB order code 7TCA085400R0355 7TCA085400R0357 7TCA085400R0358 7TCA085400R0359 7TCA085400R0356 5
Nominal voltage (1) 6 V 15 V 30 V 50 V 110 V
Maximum working voltage Uc (RMS/DC) (2) 5 V/7.79 V 11 V/16.7 V 25 V/36.7 V 40 V/56.7 V 93 V/132 V
Current rating (signal) 4 A
In-line resistance (per line ±10%) 0.05 Ω
Bandwidth (-3 dB 50 Ω system) 160 KHz 140 KHz 130 KHz 120 KHz 120 KHz
Transient specification OVR 06H OVR 15H OVR 30H OVR 50H OVR 110H
Let-through voltage
(all conductors) Up
(3)
C2 test 4 kV 1.2/50 μs, 2 kA 8/20 μs to 12.0 V 27.5 V 46.0 V 67.0 V 150 V
BS EN/EN/IEC 61643-21
C1 test 1 kV, 1.2/50 μs, 0.5 kA 8/20 μs to 11.0 V 26.5 V 45.0 V 66.5 V 145 V
BS EN/EN/IEC 61643-21
B2 test 4 kV 10/700 μs to BS EN/EN/IEC 10.5 V 25.5 V 43.5 V 65.0 V 140 V
61643-21
5 kV, 10/700 μs (4) 10.8 V 26.2 V 44.3 V 65.8 V 145 V
Maximum surge current
D1 test 10/350 μs – Per signal wire 2.5 kA
to BS EN/EN/IEC – Per pair 5 kA
61643-21
8/20 μs to ITU-T – Per signal wire 10 kA
K.45:2003, IEEE – Per pair 20 kA
C62.41.2:2002
Mechanical specification OVR 06E OVR 15E OVR 30E OVR 50E OVR 110E
Temperature range -40 to +80 °C
Connection type Screw terminal - maximum torque 0.5 Nm
Conductor size (stranded) 2.5 mm 2
Earth connection M6 stud - maximum torque 0.5 Nm
Case material FR Polymer UL-94 V-0
Weight – Unit 0.08 kg
– Packaged (per 10) 0.85 kg
Dimensions See diagram below

54 mm
38 mm

105 mm
M4 clearance

120 mm
19 mm
109 mm
M4 clearance
(1) Nominal voltage (RMS/DC or AC peak)
measured at < 10 μA (OVR 15H, OVR 30H,
OVR 50H, OVR 110H) and < 200 μA (OVR 06H)
(2) Maximum working voltage (RMS/DC or AC peak)
measured at < 5 mA leakage (OVR 15H, OVR 30H,
OVR 50H, OVR 110H) and < 10 mA (OVR 06H)
(3) The maximum transient voltage let-through of the
protector throughout the test (±10%), line to line &
line to earth, both polarities. Response time < 10 ns
(4) Test to IEC 61000-4-5:2006, ITU-T (formerly
CCITT) K.20, K.21 and K.45,Telcordia
GR-1089-CORE, Issue 2:2002, ANSI TIA/EIA/
IS-968-A:2002 (formerly FCC Part 68)